package example;

import java.util.Scanner;

public class CalAirPrice {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("请输入价格:");
        double price = scan.nextDouble();
        System.out.println("请输入月份:");
        int month = scan.nextInt();
        System.out.println("请输入舱位:1.头等舱 2.商务舱 3.经济舱");
        int type = scan.nextInt();
        double finalPrice = CalFinalPrice(price,month,type);
        if(finalPrice != -1){
            System.out.println(finalPrice);
        }
    }
    public static double CalFinalPrice (double price,int month,int type){
        double finalPrice = 0.0;
        if(price<0){
            System.out.println("价格输入错误");
            return -1;
        }
        if(month<1||month>12){
            System.out.println("月份输入错误");
            return -1;
        }
        if(type<1||type>3){
            System.out.println("舱位输入错误");
            return -1;
        }
        if(month>=5&&month<=10){
            switch (type){
                case 1:
                    finalPrice = price*0.9;
                    break;
                case 2:
                    finalPrice = price*0.85;
                    break;
                case 3:
                    finalPrice = price*0.8;
                    break;
            }
        }else {
            switch (type){
                case 1:
                    finalPrice = price*0.7;
                    break;
                case 2:
                    finalPrice = price*0.65;
                    break;
                case 3:
                    finalPrice = price*0.6;
                    break;
            }
        }
        return finalPrice;
    }
}
